Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001193125-12-046246-index.html | 2012-02-08 14:56:34 | |
| 0001193125-12-046246.txt | 2012-02-08 14:56:34 | |
 0001193125-12-046246-xbrl.zip | 27801 | 2012-02-08 14:56:34 |
| d292506d10q.htm | 233776 | 2012-02-08 14:56:34 |
| d292506dex311.htm | 10439 | 2012-02-08 14:56:34 |
| d292506dex312.htm | 10483 | 2012-02-08 14:56:34 |
| d292506dex321.htm | 4749 | 2012-02-08 14:56:34 |
| d292506dex322.htm | 4819 | 2012-02-08 14:56:34 |
| dwsn-20111231.xml | 88844 | 2012-02-08 14:56:34 |
| dwsn-20111231.xsd | 6908 | 2012-02-08 14:56:34 |
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| Financial_Report.xls | 91867 | 2012-02-08 14:56:34 |
| R1.htm | 26711 | 2012-02-08 14:56:34 |
| R10.htm | 16810 | 2012-02-08 14:56:34 |
| R11.htm | 5946 | 2012-02-08 14:56:34 |
| R12.htm | 23523 | 2012-02-08 14:56:34 |
| R2.htm | 108271 | 2012-02-08 14:56:34 |
| R3.htm | 29848 | 2012-02-08 14:56:34 |
| R4.htm | 69081 | 2012-02-08 14:56:34 |
| R5.htm | 130411 | 2012-02-08 14:56:34 |
| R6.htm | 6909 | 2012-02-08 14:56:34 |
| R7.htm | 19601 | 2012-02-08 14:56:34 |
| R8.htm | 13913 | 2012-02-08 14:56:34 |
| R9.htm | 15182 | 2012-02-08 14:56:34 |
| report.css | 2721 | 2012-02-08 14:56:34 |
| Show.js | 6423 | 2012-02-08 14:56:34 |